Tag Archives: machine press

China manufacturer 235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling

Product Description

235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling 

 

Basic information:

 

Model: 235 32K

Used on:Excavator, Air Compressor, Marine Machine

Packing: Plastic Bag, Carton

Coupling Type: Coupling Inserts

Material: Rubber, Iron

Payment Methods: Bank Transfer, Western Union, Money Gram, Credit

Coupling Structure: Helical Coupling

Supply Ability: 3000PCS Per Week

After-sales Service: Online Support

Coupling Structure: Helical Coupling
 

Products Parts:

Pos. Part No Qty Parts name
1. 9K-3115 [1] HEAD
2. 3P-1388   LOCKWIRE 7.62 dm(30 in.)
3. 2B-2955 [4] BOLT
4. 5K-1787 [1] SEAL
5. 7J-3322 [1] SEAL
6. 9K-3307 [1] PISTON
7. 9K-3304 [1] SEAL
8. 9K-9716 [1] HOUSING
9. 8S-2332 [4] BOLT
10. 9K-3148 [1] SHAFT
11. 8K-0507 [4] DISC
12. 8K-0509 [5] PLATE
13. 9M-5571 [1] SEAL
14. 9K-9715 [1] ADAPTER ASSEM.
15. 4D-0672 [2] DOWEL
16. 5J-2383 [1] SEAL
17. 8K-0508 [2] SPRING
18. 8K-571 [2] RETAINER
19. 1D-4623 [4] BOLT
  5H-1504 [4] WASHER
20. 9K-3145 [4] BOLT
21. 9K-3305 [1] WASHER
22. 6B-3645 [1] SNAP RING
23. 4F-8824 [1] SEAL
24. 8K-2004 [1] SHAFT

 About us:

specialized in:

couplings, rubber mounts, gera parts, hydraulic seals and seal kits for hydraulic hammers, rock breakers, hydraulic excavators,wheel loaders, and JCB badkhoe loaders.

 

And, Our company also supply:

Engine parts, hydraulic piston pump and hydraulic travel motor, Swing motor assembly and hydraulic component parts, electric parts, etc. Hydraulic hammer breaker parts with piston, cylinder, chisel, through bolt, side bolt, top bush, front head bushing,accumlator, valve, etc.

We always try our best for all our customers and make it better and better. Welcome!

Products Show:

FAQ

  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: Online Support
Warranty: Six Months
Type: Coupling
Application: Excavator
Certification: CE
Condition: New
Customization:
Available

|

Customized Request

China manufacturer 235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling

pin coupling

How Do Pin Couplings Compare to Other Types of Couplings in Terms of Performance?

Pin couplings offer certain advantages and disadvantages compared to other types of couplings, and their performance characteristics can vary depending on the specific application requirements. Below is a comparison of pin couplings with some commonly used couplings:

1. Gear Couplings:

  • Flexibility: Gear couplings are more rigid than pin couplings and may not offer the same level of misalignment capacity.
  • Torsional Stiffness: Gear couplings provide higher torsional stiffness, making them suitable for applications requiring precise torque transmission.
  • Shock Absorption: Gear couplings can handle higher shock loads due to their robust design and greater stiffness.
  • Maintenance: Gear couplings may require periodic lubrication and maintenance compared to maintenance-free pin couplings.
  • Applications: Gear couplings are commonly used in heavy-duty and high-torque applications where precise torque transmission is essential.

2. Flexible (Elastomeric) Couplings:

  • Flexibility: Elastomeric couplings offer higher misalignment capacity than pin couplings and can handle angular, parallel, and axial misalignment.
  • Shock Absorption: Elastomeric couplings provide excellent shock absorption, damping vibrations, and protecting connected equipment.
  • Torsional Stiffness: Elastomeric couplings have lower torsional stiffness compared to pin couplings, making them more forgiving in high shock load applications.
  • Installation: Elastomeric couplings are easy to install and require no lubrication, making them maintenance-free.
  • Applications: Elastomeric couplings are commonly used in pumps, compressors, and other machinery where vibration isolation is crucial.

3. Rigid Couplings:

  • Torsional Stiffness: Rigid couplings provide high torsional stiffness, ensuring accurate torque transmission.
  • Misalignment Capacity: Rigid couplings have little to no misalignment capacity and require precise shaft alignment.
  • Applications: Rigid couplings are used in applications where precise alignment is essential, such as shaft-to-shaft connections in high-precision systems.

Conclusion:

Pin couplings strike a balance between flexibility and torsional stiffness, making them suitable for applications with moderate misalignment and shock loads. They are often used in general industrial applications, conveyors, and light to medium-duty machinery.

When selecting a coupling for a specific application, it is crucial to consider factors such as misalignment requirements, shock and vibration loads, torsional stiffness, maintenance needs, and the level of precision required. Each coupling type has its strengths and weaknesses, and the appropriate choice will depend on the specific demands of the application.

pin coupling

Factors to Consider When Choosing a Pin Coupling for a Specific System

When selecting a pin coupling for a specific system, several critical factors need to be considered to ensure optimal performance, reliability, and longevity. Each application has unique requirements, and choosing the right pin coupling involves assessing the following factors:

1. Torque and Power Requirements: Determine the torque and power transmission requirements of the system. The pin coupling must be capable of handling the maximum torque and power generated by the connected equipment.

2. Operating Speed: Consider the rotational speed of the system’s driving and driven shafts. The pin coupling’s design should allow for smooth and efficient operation at the specified speed range.

3. Misalignment Tolerance: Assess the degree of misalignment between the shafts that the coupling needs to accommodate. Pin couplings are suitable for applications with moderate angular, parallel, and axial misalignment.

4. Operating Environment: Consider the environmental conditions the coupling will be exposed to, including temperature, humidity, dust, and presence of corrosive substances. Choose a pin coupling with materials and surface treatments suitable for the operating environment.

5. Size and Space Constraints: Ensure that the selected pin coupling fits within the available space and does not interfere with other components in the system.

6. Serviceability and Maintenance: Evaluate the ease of installation, maintenance, and replacement of the pin coupling. Easy-to-service couplings can help reduce downtime and maintenance costs.

7. Shock and Vibration: Consider the level of shock and vibration the system will experience. The pin coupling should be robust enough to handle these dynamic loads without failure.

8. Cost: Evaluate the overall cost of the pin coupling, including its initial purchase price, maintenance costs, and potential downtime expenses. Choose a coupling that offers the best balance of performance and cost-effectiveness.

9. Material Selection: Select the appropriate materials for the pin coupling based on the application requirements. Common materials include carbon steel, stainless steel, and alloy steel.

10. Compatibility: Ensure that the pin coupling is compatible with the specific shaft sizes and configurations of the system’s driving and driven components.

11. Compliance with Industry Standards: Check if the pin coupling meets relevant industry standards and safety requirements.

By carefully considering these factors, engineers and system designers can choose the most suitable pin coupling for their specific application. It’s essential to work closely with coupling manufacturers or suppliers to ensure that the selected coupling meets all the necessary specifications and requirements.

pin coupling

Can Pin Couplings Handle Misalignment Between Shafts?

Yes, pin couplings are designed to accommodate a certain degree of misalignment between shafts in rotating machinery. They are considered flexible couplings, which means they can provide some degree of angular, parallel, and axial misalignment capability.

Pin couplings typically consist of two hubs, each connected to a shaft, and a central sleeve with pins that transmit torque between the hubs. The pins allow for a limited range of movement, which helps to compensate for slight misalignments between the shafts.

The angular misalignment capacity of a pin coupling is achieved through the bending of the pins. When the shafts are misaligned at an angle, the pins on one side of the coupling experience bending while those on the opposite side are in tension. The pins are designed to withstand these bending and tension forces within their elastic limits, ensuring proper functioning and longevity of the coupling.

Similarly, the pins can accommodate parallel misalignment by sliding within the pin holes of the coupling’s central sleeve. This sliding action allows the hubs to move slightly relative to each other, compensating for any offset between the shafts.

However, it is essential to note that pin couplings have limitations in terms of the amount of misalignment they can handle. Excessive misalignment beyond their specified limits can lead to increased wear on the pins and other coupling components, reducing the coupling’s effectiveness and potentially causing premature failure.

While pin couplings are suitable for applications with moderate misalignment requirements, they may not be the best choice for applications with significant misalignment or where precise alignment is critical. In such cases, more flexible couplings like gear or elastomeric couplings may be more appropriate.

Overall, when considering the use of pin couplings, it is essential to carefully evaluate the specific misalignment requirements of the application and select a coupling that can adequately accommodate those misalignments while ensuring reliable and efficient power transmission.

China manufacturer 235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling  China manufacturer 235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling
editor by CX 2024-05-16

China Best Sales 235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling

Product Description

235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling 

 

Basic information:

 

Model: 235 32K

Used on:Excavator, Air Compressor, Marine Machine

Packing: Plastic Bag, Carton

Coupling Type: Coupling Inserts

Material: Rubber, Iron

Payment Methods: Bank Transfer, Western Union, Money Gram, Credit

Coupling Structure: Helical Coupling

Supply Ability: 3000PCS Per Week

After-sales Service: Online Support

Coupling Structure: Helical Coupling
 

Products Parts:

Pos. Part No Qty Parts name
1. 9K-3115 [1] HEAD
2. 3P-1388   LOCKWIRE 7.62 dm(30 in.)
3. 2B-2955 [4] BOLT
4. 5K-1787 [1] SEAL
5. 7J-3322 [1] SEAL
6. 9K-3307 [1] PISTON
7. 9K-3304 [1] SEAL
8. 9K-9716 [1] HOUSING
9. 8S-2332 [4] BOLT
10. 9K-3148 [1] SHAFT
11. 8K-0507 [4] DISC
12. 8K-0509 [5] PLATE
13. 9M-5571 [1] SEAL
14. 9K-9715 [1] ADAPTER ASSEM.
15. 4D-0672 [2] DOWEL
16. 5J-2383 [1] SEAL
17. 8K-0508 [2] SPRING
18. 8K-571 [2] RETAINER
19. 1D-4623 [4] BOLT
  5H-1504 [4] WASHER
20. 9K-3145 [4] BOLT
21. 9K-3305 [1] WASHER
22. 6B-3645 [1] SNAP RING
23. 4F-8824 [1] SEAL
24. 8K-2004 [1] SHAFT

 About us:

specialized in:

couplings, rubber mounts, gera parts, hydraulic seals and seal kits for hydraulic hammers, rock breakers, hydraulic excavators,wheel loaders, and JCB badkhoe loaders.

 

And, Our company also supply:

Engine parts, hydraulic piston pump and hydraulic travel motor, Swing motor assembly and hydraulic component parts, electric parts, etc. Hydraulic hammer breaker parts with piston, cylinder, chisel, through bolt, side bolt, top bush, front head bushing,accumlator, valve, etc.

We always try our best for all our customers and make it better and better. Welcome!

Products Show:

FAQ

  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: Online Support
Warranty: Six Months
Type: Coupling
Application: Excavator
Certification: CE
Condition: New
Customization:
Available

|

Customized Request

China Best Sales 235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling

pin coupling

Are There Any Safety Considerations When Using Pin Couplings in Rotating Machinery?

Yes, there are several safety considerations to keep in mind when using pin couplings in rotating machinery. These considerations are essential to ensure the safe and efficient operation of the equipment and to protect personnel working in the vicinity. Here are some key safety points to consider:

  • Guarding: When installing pin couplings, it is crucial to provide adequate guarding around the coupling area. This helps prevent accidental contact with the rotating coupling components, such as pins and hubs, which could cause severe injuries.
  • Maintenance and Inspection: Regular maintenance and inspection of the pin coupling are vital to identify any signs of wear, misalignment, or damage. Any worn or damaged components should be replaced immediately to prevent coupling failure, which could lead to sudden equipment shutdown or safety hazards.
  • Proper Alignment: Ensuring precise alignment of the connected shafts is crucial to the safe operation of the pin coupling. Misalignment can lead to increased stresses and premature wear on the coupling components, resulting in potential failures.
  • Torque and Speed Limits: Adhering to the manufacturer’s recommended torque and speed limits for the pin coupling is essential for its safe operation. Exceeding these limits can lead to overloading and failure of the coupling.
  • Environmental Considerations: Take into account the operating environment when selecting a pin coupling. Extreme temperatures, corrosive atmospheres, or harsh conditions may require special materials or coatings to ensure the coupling’s integrity and prevent premature failure.
  • Training and Awareness: Operators and maintenance personnel should receive proper training on the safe handling, installation, and maintenance of pin couplings. Awareness of potential hazards and safety protocols is crucial for the safe use of rotating machinery.
  • Emergency Shutdown: Install emergency shutdown systems that can quickly stop the rotating machinery in case of any safety concerns or abnormal conditions.
  • Compliance with Regulations: Ensure that the use of pin couplings complies with all relevant safety and industry regulations and standards.

By taking these safety considerations into account and implementing proper safety measures, the use of pin couplings in rotating machinery can be done safely and effectively, mitigating potential risks and ensuring a safe working environment for personnel.

pin coupling

Impact of Pin Coupling on the Overall Reliability of Connected Equipment

A pin coupling plays a crucial role in enhancing the overall reliability and performance of connected equipment in various industrial applications. Its design and construction contribute to several factors that influence reliability:

1. Torque Transmission: Pin couplings efficiently transmit torque between the driving and driven shafts, ensuring smooth power transfer without slippage or loss. This consistent torque transmission helps maintain the stability and reliability of the system during operation.

2. Misalignment Compensation: Pin couplings are designed to accommodate small amounts of angular, parallel, and axial misalignment between shafts. By tolerating misalignment, the coupling reduces stress on connected equipment, bearings, and seals, thereby enhancing reliability and extending the service life of these components.

3. Shock and Vibration Absorption: In applications with dynamic loads, such as pumps, compressors, and heavy machinery, pin couplings help dampen shock and vibrations. By absorbing and reducing these impact forces, the coupling minimizes stress on the system and prevents premature component failure.

4. Simplified Maintenance: Pin couplings generally have a simple design, making them easy to install and maintain. The ease of maintenance ensures that the coupling can be regularly inspected, lubricated, and replaced when necessary, reducing downtime and increasing the overall reliability of the equipment.

5. Corrosion Resistance: Depending on the materials used, pin couplings can be highly resistant to corrosion, making them suitable for use in harsh or corrosive environments. This corrosion resistance prevents degradation of the coupling and its components, enhancing reliability and longevity.

6. Enhanced Durability: High-quality pin couplings are manufactured from robust materials and undergo precise machining processes. These attributes contribute to the coupling’s durability, allowing it to withstand heavy loads and harsh conditions over an extended period.

7. Balanced Design: The design of a pin coupling ensures that the load is evenly distributed between the driving and driven shafts. This balanced load distribution reduces stress concentrations, minimizes wear, and increases the reliability of connected equipment.

8. Compliance with Standards: Reputable pin coupling manufacturers ensure their products comply with industry standards and regulations. Meeting these standards ensures that the coupling is designed and manufactured to specific quality criteria, enhancing reliability and safety.

Overall, a well-selected and properly installed pin coupling can significantly improve the reliability and performance of connected equipment. It helps prevent unexpected failures, reduces downtime, and contributes to the overall efficiency of industrial processes.

pin coupling

Understanding Pin Couplings and Their Functionality

A pin coupling, also known as a shear pin coupling, is a type of mechanical coupling used to connect two rotating shafts in a mechanical system. It is designed to transmit torque while allowing for a limited amount of angular misalignment between the shafts. The primary function of a pin coupling is to protect the connected equipment from torque overload and prevent damage to the shafts and other components in case of sudden shock or overload.

How a Pin Coupling Works:

A typical pin coupling consists of two hubs, one on each shaft to be connected, and a series of pins that pass through the hubs to join them together. The pins are usually made of a softer material than the hubs, such as brass or aluminum, to act as sacrificial elements. The number and size of the pins depend on the coupling’s torque rating and the required angular misalignment capacity.

When the shafts are misaligned, the pins experience shear stress as they bend under the applied load. In normal operating conditions, the pins remain intact and allow the torque to transfer from one shaft to another. However, in the event of an overload or excessive misalignment, the pins will shear off, preventing the transmission of excessive torque and protecting the connected equipment from damage.

After shearing, the damaged pins can be easily replaced, and the coupling can be put back into service without major repairs to the equipment. This feature makes pin couplings particularly suitable for applications with varying operating conditions and environments where shock loads or sudden overloads may occur.

Advantages of Pin Couplings:

Protection against Overload: The shear pins act as a safety feature, protecting the connected equipment from excessive torque and sudden shocks.

Misalignment Tolerance: Pin couplings can accommodate a limited amount of angular misalignment between the shafts.

Easy Replacement: After shearing, the damaged pins can be quickly replaced, reducing downtime and maintenance costs.

Versatility: Suitable for a wide range of applications, including pumps, compressors, and other industrial machinery.

Cost-Effective: The sacrificial pins are cost-effective components that can be easily replaced, avoiding costly repairs to the main equipment.

Limitations:

– Pin couplings have lower torque capacities compared to some other coupling types, such as gear couplings or rigid couplings.

– The need to replace the shear pins after each failure may lead to frequent maintenance requirements in applications with frequent overloads or misalignments.

In summary, pin couplings offer a reliable and cost-effective solution for torque transmission and protection against overloads in various mechanical systems. Their ability to accommodate misalignment and absorb shock loads makes them suitable for a wide range of industrial applications.

China Best Sales 235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling  China Best Sales 235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling
editor by CX 2024-04-13

China Custom 235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling

Product Description

235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling 

 

Basic information:

 

Model: 235 32K

Used on:Excavator, Air Compressor, Marine Machine

Packing: Plastic Bag, Carton

Coupling Type: Coupling Inserts

Material: Rubber, Iron

Payment Methods: Bank Transfer, Western Union, Money Gram, Credit

Coupling Structure: Helical Coupling

Supply Ability: 3000PCS Per Week

After-sales Service: Online Support

Coupling Structure: Helical Coupling
 

Products Parts:

Pos. Part No Qty Parts name
1. 9K-3115 [1] HEAD
2. 3P-1388   LOCKWIRE 7.62 dm(30 in.)
3. 2B-2955 [4] BOLT
4. 5K-1787 [1] SEAL
5. 7J-3322 [1] SEAL
6. 9K-3307 [1] PISTON
7. 9K-3304 [1] SEAL
8. 9K-9716 [1] HOUSING
9. 8S-2332 [4] BOLT
10. 9K-3148 [1] SHAFT
11. 8K-0507 [4] DISC
12. 8K-0509 [5] PLATE
13. 9M-5571 [1] SEAL
14. 9K-9715 [1] ADAPTER ASSEM.
15. 4D-0672 [2] DOWEL
16. 5J-2383 [1] SEAL
17. 8K-0508 [2] SPRING
18. 8K-571 [2] RETAINER
19. 1D-4623 [4] BOLT
  5H-1504 [4] WASHER
20. 9K-3145 [4] BOLT
21. 9K-3305 [1] WASHER
22. 6B-3645 [1] SNAP RING
23. 4F-8824 [1] SEAL
24. 8K-2004 [1] SHAFT

 About us:

specialized in:

couplings, rubber mounts, gera parts, hydraulic seals and seal kits for hydraulic hammers, rock breakers, hydraulic excavators,wheel loaders, and JCB badkhoe loaders.

 

And, Our company also supply:

Engine parts, hydraulic piston pump and hydraulic travel motor, Swing motor assembly and hydraulic component parts, electric parts, etc. Hydraulic hammer breaker parts with piston, cylinder, chisel, through bolt, side bolt, top bush, front head bushing,accumlator, valve, etc.

We always try our best for all our customers and make it better and better. Welcome!

Products Show:

FAQ

  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: Online Support
Warranty: Six Months
Type: Coupling
Application: Excavator
Certification: CE
Condition: New
Customization:
Available

|

Customized Request

China Custom 235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling

pin coupling

Can Pin Couplings Be Used in Both Horizontal and Vertical Shaft Arrangements?

Yes, pin couplings can be used in both horizontal and vertical shaft arrangements. These couplings are designed to accommodate angular misalignment, parallel misalignment, and axial movement, making them versatile for various shaft orientations.

In horizontal shaft arrangements, where the shafts are aligned on the same horizontal plane, pin couplings can efficiently transmit torque while allowing for flexibility to accommodate minor misalignments and shaft movements. The pins and flexible elements in the coupling enable angular displacement and radial flexibility, ensuring smooth power transmission even if the shafts are not perfectly aligned.

In vertical shaft arrangements, where the shafts are aligned on a vertical plane, pin couplings can also be used effectively. The coupling design allows for axial movement, which is crucial in vertical applications where the shafts may experience expansion or contraction due to thermal changes or other factors. The flexible nature of pin couplings allows them to handle these axial movements without compromising the coupling’s performance.

Whether in horizontal or vertical arrangements, pin couplings are commonly used in various industrial applications, including pumps, compressors, conveyors, and other rotating machinery. They are known for their simplicity, ease of installation, and ability to provide reliable power transmission while accommodating misalignment and shaft movement.

When using pin couplings in either arrangement, it is essential to ensure proper alignment and regular maintenance to maximize their performance and service life. Additionally, considering factors like torque requirements, operating conditions, and environmental considerations will help in selecting the appropriate pin coupling for a specific application.

pin coupling

How Does a Pin Coupling Handle Angular, Parallel, and Axial Misalignment?

A pin coupling is designed to handle different types of misalignment, including angular, parallel, and axial misalignment. The unique construction of pin couplings allows them to accommodate these misalignments without compromising the efficiency and performance of the connected equipment.

1. Angular Misalignment: Angular misalignment occurs when the axes of the driving and driven shafts are not parallel but intersect at an angle. Pin couplings can tolerate angular misalignment because of their flexible and floating pin design. The two coupling halves are connected by a series of pins, which can pivot and move within the pin holes. This flexibility allows the coupling to bend slightly, adjusting to the angle of misalignment between the shafts.

2. Parallel Misalignment: Parallel misalignment happens when the axes of the driving and driven shafts are parallel, but they are laterally displaced from each other. Pin couplings can handle parallel misalignment to some extent due to the floating nature of the pins. The pins can move laterally within the pin holes, allowing the coupling to adapt to the offset between the shafts.

3. Axial Misalignment: Axial misalignment occurs when there is a linear displacement along the axis of one shaft concerning the other. While pin couplings primarily focus on handling angular and parallel misalignment, they may offer limited axial misalignment capabilities. The floating pins provide a small degree of axial movement, but excessive axial misalignment is best avoided to prevent additional stresses on the coupling.

It is important to note that while pin couplings can accommodate some degree of misalignment, excessive misalignment should be avoided to prevent premature wear and potential failure of the coupling and connected equipment. Regular inspection and maintenance can help identify and address any misalignment issues, ensuring the optimal performance and longevity of the pin coupling in power transmission applications.

pin coupling

Can Pin Couplings Handle Misalignment Between Shafts?

Yes, pin couplings are designed to accommodate a certain degree of misalignment between shafts in rotating machinery. They are considered flexible couplings, which means they can provide some degree of angular, parallel, and axial misalignment capability.

Pin couplings typically consist of two hubs, each connected to a shaft, and a central sleeve with pins that transmit torque between the hubs. The pins allow for a limited range of movement, which helps to compensate for slight misalignments between the shafts.

The angular misalignment capacity of a pin coupling is achieved through the bending of the pins. When the shafts are misaligned at an angle, the pins on one side of the coupling experience bending while those on the opposite side are in tension. The pins are designed to withstand these bending and tension forces within their elastic limits, ensuring proper functioning and longevity of the coupling.

Similarly, the pins can accommodate parallel misalignment by sliding within the pin holes of the coupling’s central sleeve. This sliding action allows the hubs to move slightly relative to each other, compensating for any offset between the shafts.

However, it is essential to note that pin couplings have limitations in terms of the amount of misalignment they can handle. Excessive misalignment beyond their specified limits can lead to increased wear on the pins and other coupling components, reducing the coupling’s effectiveness and potentially causing premature failure.

While pin couplings are suitable for applications with moderate misalignment requirements, they may not be the best choice for applications with significant misalignment or where precise alignment is critical. In such cases, more flexible couplings like gear or elastomeric couplings may be more appropriate.

Overall, when considering the use of pin couplings, it is essential to carefully evaluate the specific misalignment requirements of the application and select a coupling that can adequately accommodate those misalignments while ensuring reliable and efficient power transmission.

China Custom 235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling  China Custom 235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling
editor by CX 2024-04-11

China Good quality 235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling

Product Description

235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling 

 

Basic information:

 

Model: 235 32K

Used on:Excavator, Air Compressor, Marine Machine

Packing: Plastic Bag, Carton

Coupling Type: Coupling Inserts

Material: Rubber, Iron

Payment Methods: Bank Transfer, Western Union, Money Gram, Credit

Coupling Structure: Helical Coupling

Supply Ability: 3000PCS Per Week

After-sales Service: Online Support

Coupling Structure: Helical Coupling
 

Products Parts:

Pos. Part No Qty Parts name
1. 9K-3115 [1] HEAD
2. 3P-1388   LOCKWIRE 7.62 dm(30 in.)
3. 2B-2955 [4] BOLT
4. 5K-1787 [1] SEAL
5. 7J-3322 [1] SEAL
6. 9K-3307 [1] PISTON
7. 9K-3304 [1] SEAL
8. 9K-9716 [1] HOUSING
9. 8S-2332 [4] BOLT
10. 9K-3148 [1] SHAFT
11. 8K-0507 [4] DISC
12. 8K-0509 [5] PLATE
13. 9M-5571 [1] SEAL
14. 9K-9715 [1] ADAPTER ASSEM.
15. 4D-0672 [2] DOWEL
16. 5J-2383 [1] SEAL
17. 8K-0508 [2] SPRING
18. 8K-571 [2] RETAINER
19. 1D-4623 [4] BOLT
  5H-1504 [4] WASHER
20. 9K-3145 [4] BOLT
21. 9K-3305 [1] WASHER
22. 6B-3645 [1] SNAP RING
23. 4F-8824 [1] SEAL
24. 8K-2004 [1] SHAFT

 About us:

specialized in:

couplings, rubber mounts, gera parts, hydraulic seals and seal kits for hydraulic hammers, rock breakers, hydraulic excavators,wheel loaders, and JCB badkhoe loaders.

 

And, Our company also supply:

Engine parts, hydraulic piston pump and hydraulic travel motor, Swing motor assembly and hydraulic component parts, electric parts, etc. Hydraulic hammer breaker parts with piston, cylinder, chisel, through bolt, side bolt, top bush, front head bushing,accumlator, valve, etc.

We always try our best for all our customers and make it better and better. Welcome!

Products Show:

FAQ

 

After-sales Service: Online Support
Warranty: Six Months
Type: Coupling
Application: Excavator
Certification: CE
Condition: New
Customization:
Available

|

Customized Request

China Good quality 235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling

pin coupling

How Do Pin Couplings Compare to Other Types of Couplings in Terms of Performance?

Pin couplings offer certain advantages and disadvantages compared to other types of couplings, and their performance characteristics can vary depending on the specific application requirements. Below is a comparison of pin couplings with some commonly used couplings:

1. Gear Couplings:

  • Flexibility: Gear couplings are more rigid than pin couplings and may not offer the same level of misalignment capacity.
  • Torsional Stiffness: Gear couplings provide higher torsional stiffness, making them suitable for applications requiring precise torque transmission.
  • Shock Absorption: Gear couplings can handle higher shock loads due to their robust design and greater stiffness.
  • Maintenance: Gear couplings may require periodic lubrication and maintenance compared to maintenance-free pin couplings.
  • Applications: Gear couplings are commonly used in heavy-duty and high-torque applications where precise torque transmission is essential.

2. Flexible (Elastomeric) Couplings:

  • Flexibility: Elastomeric couplings offer higher misalignment capacity than pin couplings and can handle angular, parallel, and axial misalignment.
  • Shock Absorption: Elastomeric couplings provide excellent shock absorption, damping vibrations, and protecting connected equipment.
  • Torsional Stiffness: Elastomeric couplings have lower torsional stiffness compared to pin couplings, making them more forgiving in high shock load applications.
  • Installation: Elastomeric couplings are easy to install and require no lubrication, making them maintenance-free.
  • Applications: Elastomeric couplings are commonly used in pumps, compressors, and other machinery where vibration isolation is crucial.

3. Rigid Couplings:

  • Torsional Stiffness: Rigid couplings provide high torsional stiffness, ensuring accurate torque transmission.
  • Misalignment Capacity: Rigid couplings have little to no misalignment capacity and require precise shaft alignment.
  • Applications: Rigid couplings are used in applications where precise alignment is essential, such as shaft-to-shaft connections in high-precision systems.

Conclusion:

Pin couplings strike a balance between flexibility and torsional stiffness, making them suitable for applications with moderate misalignment and shock loads. They are often used in general industrial applications, conveyors, and light to medium-duty machinery.

When selecting a coupling for a specific application, it is crucial to consider factors such as misalignment requirements, shock and vibration loads, torsional stiffness, maintenance needs, and the level of precision required. Each coupling type has its strengths and weaknesses, and the appropriate choice will depend on the specific demands of the application.

pin coupling

How Does a Pin Coupling Handle Angular, Parallel, and Axial Misalignment?

A pin coupling is designed to handle different types of misalignment, including angular, parallel, and axial misalignment. The unique construction of pin couplings allows them to accommodate these misalignments without compromising the efficiency and performance of the connected equipment.

1. Angular Misalignment: Angular misalignment occurs when the axes of the driving and driven shafts are not parallel but intersect at an angle. Pin couplings can tolerate angular misalignment because of their flexible and floating pin design. The two coupling halves are connected by a series of pins, which can pivot and move within the pin holes. This flexibility allows the coupling to bend slightly, adjusting to the angle of misalignment between the shafts.

2. Parallel Misalignment: Parallel misalignment happens when the axes of the driving and driven shafts are parallel, but they are laterally displaced from each other. Pin couplings can handle parallel misalignment to some extent due to the floating nature of the pins. The pins can move laterally within the pin holes, allowing the coupling to adapt to the offset between the shafts.

3. Axial Misalignment: Axial misalignment occurs when there is a linear displacement along the axis of one shaft concerning the other. While pin couplings primarily focus on handling angular and parallel misalignment, they may offer limited axial misalignment capabilities. The floating pins provide a small degree of axial movement, but excessive axial misalignment is best avoided to prevent additional stresses on the coupling.

It is important to note that while pin couplings can accommodate some degree of misalignment, excessive misalignment should be avoided to prevent premature wear and potential failure of the coupling and connected equipment. Regular inspection and maintenance can help identify and address any misalignment issues, ensuring the optimal performance and longevity of the pin coupling in power transmission applications.

pin coupling

Understanding Pin Couplings and Their Functionality

A pin coupling, also known as a shear pin coupling, is a type of mechanical coupling used to connect two rotating shafts in a mechanical system. It is designed to transmit torque while allowing for a limited amount of angular misalignment between the shafts. The primary function of a pin coupling is to protect the connected equipment from torque overload and prevent damage to the shafts and other components in case of sudden shock or overload.

How a Pin Coupling Works:

A typical pin coupling consists of two hubs, one on each shaft to be connected, and a series of pins that pass through the hubs to join them together. The pins are usually made of a softer material than the hubs, such as brass or aluminum, to act as sacrificial elements. The number and size of the pins depend on the coupling’s torque rating and the required angular misalignment capacity.

When the shafts are misaligned, the pins experience shear stress as they bend under the applied load. In normal operating conditions, the pins remain intact and allow the torque to transfer from one shaft to another. However, in the event of an overload or excessive misalignment, the pins will shear off, preventing the transmission of excessive torque and protecting the connected equipment from damage.

After shearing, the damaged pins can be easily replaced, and the coupling can be put back into service without major repairs to the equipment. This feature makes pin couplings particularly suitable for applications with varying operating conditions and environments where shock loads or sudden overloads may occur.

Advantages of Pin Couplings:

Protection against Overload: The shear pins act as a safety feature, protecting the connected equipment from excessive torque and sudden shocks.

Misalignment Tolerance: Pin couplings can accommodate a limited amount of angular misalignment between the shafts.

Easy Replacement: After shearing, the damaged pins can be quickly replaced, reducing downtime and maintenance costs.

Versatility: Suitable for a wide range of applications, including pumps, compressors, and other industrial machinery.

Cost-Effective: The sacrificial pins are cost-effective components that can be easily replaced, avoiding costly repairs to the main equipment.

Limitations:

– Pin couplings have lower torque capacities compared to some other coupling types, such as gear couplings or rigid couplings.

– The need to replace the shear pins after each failure may lead to frequent maintenance requirements in applications with frequent overloads or misalignments.

In summary, pin couplings offer a reliable and cost-effective solution for torque transmission and protection against overloads in various mechanical systems. Their ability to accommodate misalignment and absorb shock loads makes them suitable for a wide range of industrial applications.

China Good quality 235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling  China Good quality 235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling
editor by CX 2023-10-12

China OEM 235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling

Product Description

235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling 

 

Basic information:

 

Model: 235 32K

Used on:Excavator, Air Compressor, Marine Machine

Packing: Plastic Bag, Carton

Coupling Type: Coupling Inserts

Material: Rubber, Iron

Payment Methods: Bank Transfer, Western Union, Money Gram, Credit

Coupling Structure: Helical Coupling

Supply Ability: 3000PCS Per Week

After-sales Service: Online Support

Coupling Structure: Helical Coupling
 

Products Parts:

Pos. Part No Qty Parts name
1. 9K-3115 [1] HEAD
2. 3P-1388   LOCKWIRE 7.62 dm(30 in.)
3. 2B-2955 [4] BOLT
4. 5K-1787 [1] SEAL
5. 7J-3322 [1] SEAL
6. 9K-3307 [1] PISTON
7. 9K-3304 [1] SEAL
8. 9K-9716 [1] HOUSING
9. 8S-2332 [4] BOLT
10. 9K-3148 [1] SHAFT
11. 8K-0507 [4] DISC
12. 8K-0509 [5] PLATE
13. 9M-5571 [1] SEAL
14. 9K-9715 [1] ADAPTER ASSEM.
15. 4D-0672 [2] DOWEL
16. 5J-2383 [1] SEAL
17. 8K-0508 [2] SPRING
18. 8K-571 [2] RETAINER
19. 1D-4623 [4] BOLT
  5H-1504 [4] WASHER
20. 9K-3145 [4] BOLT
21. 9K-3305 [1] WASHER
22. 6B-3645 [1] SNAP RING
23. 4F-8824 [1] SEAL
24. 8K-2004 [1] SHAFT

 About us:

specialized in:

couplings, rubber mounts, gera parts, hydraulic seals and seal kits for hydraulic hammers, rock breakers, hydraulic excavators,wheel loaders, and JCB badkhoe loaders.

 

And, Our company also supply:

Engine parts, hydraulic piston pump and hydraulic travel motor, Swing motor assembly and hydraulic component parts, electric parts, etc. Hydraulic hammer breaker parts with piston, cylinder, chisel, through bolt, side bolt, top bush, front head bushing,accumlator, valve, etc.

We always try our best for all our customers and make it better and better. Welcome!

Products Show:

FAQ

 

After-sales Service: Online Support
Warranty: Six Months
Type: Coupling
Application: Excavator
Certification: CE
Condition: New
Customization:
Available

|

Customized Request

China OEM 235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling

pin coupling

Are There Any Safety Considerations When Using Pin Couplings in Rotating Machinery?

Yes, there are several safety considerations to keep in mind when using pin couplings in rotating machinery. These considerations are essential to ensure the safe and efficient operation of the equipment and to protect personnel working in the vicinity. Here are some key safety points to consider:

  • Guarding: When installing pin couplings, it is crucial to provide adequate guarding around the coupling area. This helps prevent accidental contact with the rotating coupling components, such as pins and hubs, which could cause severe injuries.
  • Maintenance and Inspection: Regular maintenance and inspection of the pin coupling are vital to identify any signs of wear, misalignment, or damage. Any worn or damaged components should be replaced immediately to prevent coupling failure, which could lead to sudden equipment shutdown or safety hazards.
  • Proper Alignment: Ensuring precise alignment of the connected shafts is crucial to the safe operation of the pin coupling. Misalignment can lead to increased stresses and premature wear on the coupling components, resulting in potential failures.
  • Torque and Speed Limits: Adhering to the manufacturer’s recommended torque and speed limits for the pin coupling is essential for its safe operation. Exceeding these limits can lead to overloading and failure of the coupling.
  • Environmental Considerations: Take into account the operating environment when selecting a pin coupling. Extreme temperatures, corrosive atmospheres, or harsh conditions may require special materials or coatings to ensure the coupling’s integrity and prevent premature failure.
  • Training and Awareness: Operators and maintenance personnel should receive proper training on the safe handling, installation, and maintenance of pin couplings. Awareness of potential hazards and safety protocols is crucial for the safe use of rotating machinery.
  • Emergency Shutdown: Install emergency shutdown systems that can quickly stop the rotating machinery in case of any safety concerns or abnormal conditions.
  • Compliance with Regulations: Ensure that the use of pin couplings complies with all relevant safety and industry regulations and standards.

By taking these safety considerations into account and implementing proper safety measures, the use of pin couplings in rotating machinery can be done safely and effectively, mitigating potential risks and ensuring a safe working environment for personnel.

pin coupling

How Does a Pin Coupling Handle Angular, Parallel, and Axial Misalignment?

A pin coupling is designed to handle different types of misalignment, including angular, parallel, and axial misalignment. The unique construction of pin couplings allows them to accommodate these misalignments without compromising the efficiency and performance of the connected equipment.

1. Angular Misalignment: Angular misalignment occurs when the axes of the driving and driven shafts are not parallel but intersect at an angle. Pin couplings can tolerate angular misalignment because of their flexible and floating pin design. The two coupling halves are connected by a series of pins, which can pivot and move within the pin holes. This flexibility allows the coupling to bend slightly, adjusting to the angle of misalignment between the shafts.

2. Parallel Misalignment: Parallel misalignment happens when the axes of the driving and driven shafts are parallel, but they are laterally displaced from each other. Pin couplings can handle parallel misalignment to some extent due to the floating nature of the pins. The pins can move laterally within the pin holes, allowing the coupling to adapt to the offset between the shafts.

3. Axial Misalignment: Axial misalignment occurs when there is a linear displacement along the axis of one shaft concerning the other. While pin couplings primarily focus on handling angular and parallel misalignment, they may offer limited axial misalignment capabilities. The floating pins provide a small degree of axial movement, but excessive axial misalignment is best avoided to prevent additional stresses on the coupling.

It is important to note that while pin couplings can accommodate some degree of misalignment, excessive misalignment should be avoided to prevent premature wear and potential failure of the coupling and connected equipment. Regular inspection and maintenance can help identify and address any misalignment issues, ensuring the optimal performance and longevity of the pin coupling in power transmission applications.

pin coupling

Advantages of Using Pin Couplings in Mechanical Systems

Pin couplings, also known as shear pin couplings, offer several advantages when used in mechanical systems. These advantages make them a popular choice for various industrial applications:

  • 1. Overload Protection: Pin couplings are designed to provide overload protection to connected equipment. In case of excessive torque or sudden shock loads, the sacrificial pins will shear off, preventing damage to the shafts and other components.
  • 2. Misalignment Tolerance: Pin couplings can accommodate a limited amount of angular misalignment between the shafts. This helps to compensate for minor misalignments and reduces the stress on the connected equipment.
  • 3. Cost-Effective: The shear pins used in pin couplings are relatively inexpensive compared to other coupling components. In the event of a failure, replacing the damaged pins is a cost-effective solution, avoiding more significant repairs to the main equipment.
  • 4. Easy Replacement: After shearing, the damaged pins can be quickly and easily replaced. This leads to reduced downtime and lower maintenance costs in the long run.
  • 5. Versatility: Pin couplings are suitable for a wide range of applications, including pumps, compressors, fans, and other industrial machinery. Their ability to handle varying operating conditions makes them versatile in different environments.
  • 6. Shock Load Absorption: Pin couplings can absorb and dissipate shock loads effectively. The shear pins act as a buffer, protecting the equipment from sudden impacts or overloads.

Despite their numerous advantages, it is essential to consider the limitations of pin couplings as well. They have lower torque capacities compared to some other coupling types, such as gear couplings or rigid couplings. Additionally, the need to replace shear pins after each failure may lead to more frequent maintenance requirements in applications with frequent overloads or misalignments.

In conclusion, pin couplings provide reliable torque transmission and safety features, making them a valuable component in various mechanical systems. Their ability to protect against overloads and accommodate misalignments makes them a practical choice in a wide range of industrial applications.

China OEM 235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling  China OEM 235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling
editor by CX 2023-09-21

China Custom 235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling

Product Description

235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling 

 

Basic information:

 

Model: 235 32K

Used on:Excavator, Air Compressor, Marine Machine

Packing: Plastic Bag, Carton

Coupling Type: Coupling Inserts

Material: Rubber, Iron

Payment Methods: Bank Transfer, Western Union, Money Gram, Credit

Coupling Structure: Helical Coupling

Supply Ability: 3000PCS Per Week

After-sales Service: Online Support

Coupling Structure: Helical Coupling
 

Products Parts:

Pos. Part No Qty Parts name
1. 9K-3115 [1] HEAD
2. 3P-1388   LOCKWIRE 7.62 dm(30 in.)
3. 2B-2955 [4] BOLT
4. 5K-1787 [1] SEAL
5. 7J-3322 [1] SEAL
6. 9K-3307 [1] PISTON
7. 9K-3304 [1] SEAL
8. 9K-9716 [1] HOUSING
9. 8S-2332 [4] BOLT
10. 9K-3148 [1] SHAFT
11. 8K-0507 [4] DISC
12. 8K-0509 [5] PLATE
13. 9M-5571 [1] SEAL
14. 9K-9715 [1] ADAPTER ASSEM.
15. 4D-0672 [2] DOWEL
16. 5J-2383 [1] SEAL
17. 8K-0508 [2] SPRING
18. 8K-571 [2] RETAINER
19. 1D-4623 [4] BOLT
  5H-1504 [4] WASHER
20. 9K-3145 [4] BOLT
21. 9K-3305 [1] WASHER
22. 6B-3645 [1] SNAP RING
23. 4F-8824 [1] SEAL
24. 8K-2004 [1] SHAFT

 About us:

specialized in:

couplings, rubber mounts, gera parts, hydraulic seals and seal kits for hydraulic hammers, rock breakers, hydraulic excavators,wheel loaders, and JCB badkhoe loaders.

 

And, Our company also supply:

Engine parts, hydraulic piston pump and hydraulic travel motor, Swing motor assembly and hydraulic component parts, electric parts, etc. Hydraulic hammer breaker parts with piston, cylinder, chisel, through bolt, side bolt, top bush, front head bushing,accumlator, valve, etc.

We always try our best for all our customers and make it better and better. Welcome!

Products Show:

FAQ

 

After-sales Service: Online Support
Warranty: Six Months
Type: Coupling
Application: Excavator
Certification: CE
Condition: New
Customization:
Available

|

Customized Request

China Custom 235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling

pin coupling

Are There Any Safety Considerations When Using Pin Couplings in Rotating Machinery?

Yes, there are several safety considerations to keep in mind when using pin couplings in rotating machinery. These considerations are essential to ensure the safe and efficient operation of the equipment and to protect personnel working in the vicinity. Here are some key safety points to consider:

  • Guarding: When installing pin couplings, it is crucial to provide adequate guarding around the coupling area. This helps prevent accidental contact with the rotating coupling components, such as pins and hubs, which could cause severe injuries.
  • Maintenance and Inspection: Regular maintenance and inspection of the pin coupling are vital to identify any signs of wear, misalignment, or damage. Any worn or damaged components should be replaced immediately to prevent coupling failure, which could lead to sudden equipment shutdown or safety hazards.
  • Proper Alignment: Ensuring precise alignment of the connected shafts is crucial to the safe operation of the pin coupling. Misalignment can lead to increased stresses and premature wear on the coupling components, resulting in potential failures.
  • Torque and Speed Limits: Adhering to the manufacturer’s recommended torque and speed limits for the pin coupling is essential for its safe operation. Exceeding these limits can lead to overloading and failure of the coupling.
  • Environmental Considerations: Take into account the operating environment when selecting a pin coupling. Extreme temperatures, corrosive atmospheres, or harsh conditions may require special materials or coatings to ensure the coupling’s integrity and prevent premature failure.
  • Training and Awareness: Operators and maintenance personnel should receive proper training on the safe handling, installation, and maintenance of pin couplings. Awareness of potential hazards and safety protocols is crucial for the safe use of rotating machinery.
  • Emergency Shutdown: Install emergency shutdown systems that can quickly stop the rotating machinery in case of any safety concerns or abnormal conditions.
  • Compliance with Regulations: Ensure that the use of pin couplings complies with all relevant safety and industry regulations and standards.

By taking these safety considerations into account and implementing proper safety measures, the use of pin couplings in rotating machinery can be done safely and effectively, mitigating potential risks and ensuring a safe working environment for personnel.

pin coupling

What Industries Commonly Use Pin Couplings for Power Transmission?

Pin couplings are widely used in various industries for power transmission due to their ability to accommodate misalignment and provide reliable torque transmission. Some of the industries where pin couplings are commonly employed include:

  • 1. Manufacturing: In manufacturing processes, pin couplings are used in conveyor systems, mixers, agitators, and other machinery to transfer power between motors and driven equipment.
  • 2. Pulp and Paper: The pulp and paper industry uses pin couplings in machinery such as pumps, fans, and rotary kilns for continuous power transmission.
  • 3. Chemical and Petrochemical: Pin couplings find applications in chemical processing plants, refineries, and petrochemical facilities for various rotating equipment.
  • 4. Water and Wastewater: Pin couplings are used in water treatment facilities, pumps, and blowers to transfer power efficiently.
  • 5. Steel and Metal Processing: Steel mills and metal processing plants utilize pin couplings in rolling mills, extruders, and other equipment.
  • 6. Food and Beverage: Pin couplings are employed in food processing machinery, packaging equipment, and conveyor systems.
  • 7. Mining and Quarrying: The mining industry uses pin couplings in crushers, conveyor belts, and various mineral processing equipment.
  • 8. Oil and Gas: Pin couplings are used in the oil and gas sector for pumps, compressors, and drilling equipment.
  • 9. Power Generation: In power plants, pin couplings are used in turbines, generators, and other power transmission systems.
  • 10. Construction and Heavy Equipment: Pin couplings find applications in construction machinery, earthmoving equipment, and other heavy-duty machinery.
  • 11. Agriculture: In agricultural machinery, pin couplings are used in tractors, irrigation systems, and grain processing equipment.

These are just some examples of the industries where pin couplings are commonly used. Pin couplings offer versatility, ease of installation, and reliability, making them suitable for a wide range of applications in different sectors where power transmission is essential.

pin coupling

Understanding Pin Couplings and Their Functionality

A pin coupling, also known as a shear pin coupling, is a type of mechanical coupling used to connect two rotating shafts in a mechanical system. It is designed to transmit torque while allowing for a limited amount of angular misalignment between the shafts. The primary function of a pin coupling is to protect the connected equipment from torque overload and prevent damage to the shafts and other components in case of sudden shock or overload.

How a Pin Coupling Works:

A typical pin coupling consists of two hubs, one on each shaft to be connected, and a series of pins that pass through the hubs to join them together. The pins are usually made of a softer material than the hubs, such as brass or aluminum, to act as sacrificial elements. The number and size of the pins depend on the coupling’s torque rating and the required angular misalignment capacity.

When the shafts are misaligned, the pins experience shear stress as they bend under the applied load. In normal operating conditions, the pins remain intact and allow the torque to transfer from one shaft to another. However, in the event of an overload or excessive misalignment, the pins will shear off, preventing the transmission of excessive torque and protecting the connected equipment from damage.

After shearing, the damaged pins can be easily replaced, and the coupling can be put back into service without major repairs to the equipment. This feature makes pin couplings particularly suitable for applications with varying operating conditions and environments where shock loads or sudden overloads may occur.

Advantages of Pin Couplings:

Protection against Overload: The shear pins act as a safety feature, protecting the connected equipment from excessive torque and sudden shocks.

Misalignment Tolerance: Pin couplings can accommodate a limited amount of angular misalignment between the shafts.

Easy Replacement: After shearing, the damaged pins can be quickly replaced, reducing downtime and maintenance costs.

Versatility: Suitable for a wide range of applications, including pumps, compressors, and other industrial machinery.

Cost-Effective: The sacrificial pins are cost-effective components that can be easily replaced, avoiding costly repairs to the main equipment.

Limitations:

– Pin couplings have lower torque capacities compared to some other coupling types, such as gear couplings or rigid couplings.

– The need to replace the shear pins after each failure may lead to frequent maintenance requirements in applications with frequent overloads or misalignments.

In summary, pin couplings offer a reliable and cost-effective solution for torque transmission and protection against overloads in various mechanical systems. Their ability to accommodate misalignment and absorb shock loads makes them suitable for a wide range of industrial applications.

China Custom 235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling  China Custom 235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling
editor by CX 2023-09-18

China best 235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling

Product Description

235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling 

 

Basic information:

 

Model: 235 32K

Used on:Excavator, Air Compressor, Marine Machine

Packing: Plastic Bag, Carton

Coupling Type: Coupling Inserts

Material: Rubber, Iron

Payment Methods: Bank Transfer, Western Union, Money Gram, Credit

Coupling Structure: Helical Coupling

Supply Ability: 3000PCS Per Week

After-sales Service: Online Support

Coupling Structure: Helical Coupling
 

Products Parts:

Pos. Part No Qty Parts name
1. 9K-3115 [1] HEAD
2. 3P-1388   LOCKWIRE 7.62 dm(30 in.)
3. 2B-2955 [4] BOLT
4. 5K-1787 [1] SEAL
5. 7J-3322 [1] SEAL
6. 9K-3307 [1] PISTON
7. 9K-3304 [1] SEAL
8. 9K-9716 [1] HOUSING
9. 8S-2332 [4] BOLT
10. 9K-3148 [1] SHAFT
11. 8K-0507 [4] DISC
12. 8K-0509 [5] PLATE
13. 9M-5571 [1] SEAL
14. 9K-9715 [1] ADAPTER ASSEM.
15. 4D-0672 [2] DOWEL
16. 5J-2383 [1] SEAL
17. 8K-0508 [2] SPRING
18. 8K-571 [2] RETAINER
19. 1D-4623 [4] BOLT
  5H-1504 [4] WASHER
20. 9K-3145 [4] BOLT
21. 9K-3305 [1] WASHER
22. 6B-3645 [1] SNAP RING
23. 4F-8824 [1] SEAL
24. 8K-2004 [1] SHAFT

 About us:

specialized in:

couplings, rubber mounts, gera parts, hydraulic seals and seal kits for hydraulic hammers, rock breakers, hydraulic excavators,wheel loaders, and JCB badkhoe loaders.

 

And, Our company also supply:

Engine parts, hydraulic piston pump and hydraulic travel motor, Swing motor assembly and hydraulic component parts, electric parts, etc. Hydraulic hammer breaker parts with piston, cylinder, chisel, through bolt, side bolt, top bush, front head bushing,accumlator, valve, etc.

We always try our best for all our customers and make it better and better. Welcome!

Products Show:

FAQ

 

After-sales Service: Online Support
Warranty: Six Months
Type: Coupling
Application: Excavator
Certification: CE
Condition: New
Customization:
Available

|

Customized Request

China best 235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling

pin coupling

Can Pin Couplings Accommodate High Torque and High-Speed Applications?

Pin couplings are versatile and robust, making them suitable for a wide range of applications, including those involving high torque and high-speed requirements. However, the specific design and construction of the pin coupling will determine its capacity to handle such demanding conditions.

The ability of a pin coupling to accommodate high torque depends on factors such as the material used, the size and number of pins, and the overall design. High-quality pin couplings are often made from strong and durable materials like alloy steel, which allows them to withstand significant torque loads without failure or deformation.

Similarly, the capability of a pin coupling to handle high speeds depends on factors such as the balance of the coupling and the precise manufacturing of the pins and hubs. Properly balanced pin couplings can operate at higher speeds without generating excessive vibration or causing premature wear.

When selecting a pin coupling for high torque and high-speed applications, it is essential to consider the following:

  • Design and Construction: Opt for pin couplings with a robust and well-engineered design to handle the expected torque and speed requirements.
  • Material: Choose pin couplings made from high-quality materials known for their strength and fatigue resistance.
  • Size: Select an appropriate size of pin coupling that can accommodate the torque and speed expected in the application.
  • Manufacturer’s Ratings: Refer to the manufacturer’s specifications and torque-speed curves to ensure the coupling meets the desired performance criteria.

By carefully considering these factors and choosing a pin coupling designed for high torque and high-speed applications, you can ensure reliable and efficient power transmission in demanding industrial settings.

pin coupling

Can Pin Couplings Be Used for Both Motor-to-Shaft and Shaft-to-Shaft Connections?

Yes, pin couplings can be used for both motor-to-shaft and shaft-to-shaft connections in various mechanical systems. The versatile design of pin couplings allows them to connect two shafts with aligned or misaligned centers, making them suitable for a wide range of applications.

Motor-to-Shaft Connections: In motor-driven systems, pin couplings are commonly used to connect the motor shaft to the driven shaft of the equipment. The motor can be an electric motor, combustion engine, or any other type of power source. The pin coupling efficiently transfers torque from the motor shaft to the equipment’s driven shaft, enabling power transmission and mechanical motion.

Shaft-to-Shaft Connections: Pin couplings are also well-suited for shaft-to-shaft connections, where two separate shafts need to be joined together. This could be the case when extending the length of a shaft or connecting two separate pieces of rotating equipment. The pin coupling provides a secure and flexible connection between the two shafts, allowing torque to be transmitted between them while accommodating misalignment.

It is essential to consider the specific requirements of the application when selecting a pin coupling. Factors such as the amount of misalignment, torque capacity, operating conditions, and space constraints should be taken into account to ensure the coupling can effectively and reliably connect the motor and shafts.

Overall, the versatility and performance of pin couplings make them a popular choice for both motor-to-shaft and shaft-to-shaft connections in various industrial and mechanical systems.

pin coupling

Types of Pin Coupling Designs

Pin couplings, also known as shear pin couplings, come in various designs to suit different application requirements. The main types of pin coupling designs are as follows:

  1. 1. Single Pin Coupling: In this design, a single shear pin is used to connect the two shafts. The pin is placed in a hole that runs through both coupling halves. Under excessive torque or shock loads, the pin shears off, disconnecting the shafts and protecting the equipment from damage. Single pin couplings are commonly used in light to moderate-duty applications.
  2. 2. Double Pin Coupling: Double pin couplings use two shear pins that are positioned 180 degrees apart. This design provides increased torque capacity and improved balance compared to the single pin design. Double pin couplings are suitable for applications with higher torque requirements.
  3. 3. Triangular Pin Coupling: Triangular pin couplings use three pins arranged in a triangular pattern around the circumference of the coupling. This design offers even higher torque capacity and improved torsional stiffness. Triangular pin couplings are ideal for heavy-duty applications where higher torque and misalignment tolerance are essential.
  4. 4. Splined Pin Coupling: Splined pin couplings use splines instead of solid pins to transmit torque between the shafts. The splines provide a more secure connection and better torque transmission compared to solid pins. Splined pin couplings are commonly used in precision motion control applications.
  5. 5. Taper Pin Coupling: Taper pin couplings use tapered pins that wedge tightly into matching tapered holes in the coupling halves. This design offers excellent torque transmission and alignment capabilities. Taper pin couplings are often used in heavy machinery and power transmission systems.

Each type of pin coupling design has its advantages and limitations, and the selection depends on factors such as the application’s torque requirements, misalignment tolerance, and environmental conditions. It is essential to choose the right type of pin coupling to ensure optimal performance, reliability, and safety in the mechanical system.

China best 235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling  China best 235 32K Excavator Coupling Machine Parts Track Pin Press Flexible Coupling
editor by CX 2023-08-07